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Spitzer Discovers Three Most Rapidly-Rotating Brown Dwarfs



Astronomers using NASA’s Spitzer Space Telescope have identified three fastest-spinning ultracool dwarfs ever found: 2MASS J03480772-6022270, 2MASS J12195156+3128497, and 2MASS J04070752+1546457. 2MASS J03480772-6022270, 2MASS J12195156+3128497, and 2MASS J04070752+1546457 were first spotted by the ground-based Two Micron All Sky Survey (2MASS), which ran until 2001. These brown dwarfs are all about the same diameter as Jupiter […]



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